Document Detail

Sonography of the umbilical cord.
MedLine Citation:
PMID:  7501849     Owner:  NLM     Status:  MEDLINE    
Knowledge of the development, normal sonographic appearance, and potential abnormalities of the umbilical cord is important in fetal assessment. The umbilical cord can be visualized throughout most of gestation and is detectable sonographically soon after visualization of the fetal pole. The normal umbilical cord is 50-60 cm long and may coil as many as 40 times, usually to the left. Abnormalities in umbilical cord size, degree of coiling, attachment, and position can have important implications for the outcome of the pregnancy. Structural abnormalities of the umbilical cord such as single umbilical artery, knots, cysts, and tumors may be associated with fetal distress or malformations. Color Doppler ultrasound (US) is useful in the identification and evaluation of structural abnormalities of the cord. By allowing measurement of blood flow velocity in the umbilical artery, duplex Doppler US may provide additional information in the evaluation of intrauterine growth retardation and twin-twin transfusion syndrome.
C M Dudiak; C G Salomon; H V Posniak; M C Olson; M E Flisak
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Radiographics : a review publication of the Radiological Society of North America, Inc     Volume:  15     ISSN:  0271-5333     ISO Abbreviation:  Radiographics     Publication Date:  1995 Sep 
Date Detail:
Created Date:  1996-01-16     Completed Date:  1996-01-16     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8302501     Medline TA:  Radiographics     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1035-50     Citation Subset:  IM    
Department of Radiology, Loyola University Medical Center, Maywood, IL 60153, USA.
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MeSH Terms
Blood Flow Velocity
Fetal Diseases / etiology,  ultrasonography
Fetal Growth Retardation / ultrasonography
Pregnancy, Multiple
Ultrasonography, Doppler
Ultrasonography, Prenatal*
Umbilical Cord / ultrasonography*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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